AURA-2B300
AURA-2B300
AURA-2B300
AURA-2B300
AURA-2B300
AURA-2B300
AURA-2B300
AURA-2B300
AURA-2B300
AURA-2B300
AURA-2B300
AURA-2B300

AURA-2B300

CAURA2B300
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Two channels amplifier | 2x300 W RMS @ 4Ω | LoZ&HiZ | Class D
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AURA-2B300 is two channels, 2x300 W RMS @4Ω, high efficiency amplifier (class D). Compatibility with both Low and Hi impedance configurations and supporting dual or bridge mode (@4/8Ω). AURA Series are built with the highest robustness for long lasting performances with special power supply circuitry designed for optimized electrical consumption with fan cooling system. AURA Series also features the possibility of linking channels to the first input by selecting it on the rear panel, as well as auto stand-by, overload and thermal protection, PFC and anti-clipping system. The front panel volume knobs can be locked using rear panel switches for added security.
Installation options
Rack 19" installation & desktop
Operating temperature
-20⁰ to 40⁰ C
-4⁰ to 104⁰ F
Operating humidity
10-90% RH, non-condensing
Storage temperature
-40⁰ to 70⁰ C
-40⁰ to 158⁰ F
Storage humidity
10-95% RH, non-condensing
Included accessories
1x EU & IEC power cords, UK,US & CN plug adapters, 4x Desktop feet, 1x Rack 19" installation hardware, 3x Euroblock connectors (2x 3-pin blue for inputs and 1x 4-pin green for outputs), 1x Euroblock jumper.
EU power cord, UK,US and CN power cord adapters, IEC Power Cord, x2 Euroblock 3-pin connectors (blue for Inputs), x1 Euroblock 4-pin connectors (green for Outputs), Rear Rack Kit, 3M rubber foot (4pcs)
Dimensions
484 x 44 x 296.6 mm / 19 x 1.73 x 11.67 in. (WxHxD)
Weight
4,3 kg / 9,48 lb
Shipping dimensions
590 x 80 x 474 mm / 23.23 x 3.15 x 18.66 in. (WxHxD)
Shipping weight
6.9 kg / 15.2 lb
Frequency response
15Hz - 30kHz
15Hz - 30kHz (-3dB, 1W any load)
Input sensitivity
0 dBV
2,21 dBu
1 Vrms
CMRR
55 Typ
55 Typ (from 20Hz to 20kHz)
Crosstalk
70dB
70dB (@1kHz)
AC mains requirement
100-240 V @ 50-60Hz (±10%)
AC mains connector
IEC C14 inlet
Power supply
Universal, regulated SMPS with PFC
SNR
95 dBA
Output connection type
2-pin Euroblock. Pitch: 5,08 mm
4-pin Euroblock. Pitch: 5,08 mm
Power





1,3 W
24 VA
2,2 W
82 VA

62,4 W
129 VA

62,8 W
81 VA
226,2 W
278 VA
226,7 W
239 VA

380 W
430 VA
380,6 W
393 VA
Number of output channels
2
Number of input channels
2
Input connection type
3-pin Euroblock, balanced, pitch 3,5 mm
Max output power @ 100V
300 w
300W
Max output power @ 70V
300 w
300W
Input impedance
20kΩ balanced
Max input level
+20,8dBV
23 dBu
THD + Noise
0,1%
0,1% ( @1kHz, from 0,1W to Full Power)
Cooling
2 fans
Maximum fan noise
57 dBA
Output configuration
2 Hi-Z or Lo-Z connections
2Ω, 4Ω, 8Ω, 100V, 70V and 4/8Ω in Bridge Mode
Input configuration
Input link to CH1 selector per input
Efficiency
58%
AC protection
Yes
DC protection
Yes
Short-circuit protection
Yes
Clip limiter
Yes
Thermal protection
Yes
Attenuators


Front panel knobs per channel
Front panel knobs per channel
VOL (default)/BYPASS option
Output settings
Lo-Z/Hi-Z/70V/100V/Bridge Mode output selection by pair of channels
Signal Present
SIGNAL LED (Green) per channel
Cliping
CLIP LED (Red) per channel
Standby
AUTO STANDBY ON/OFF LED (Green) per unit
Auto standby time
90 seconds
Auto standby threshold
-40dB
Amplification technology
Class D
Power ON/OFF
Front panel switch
Thermal
TH/PROT LED (Red) per channel
Protect
TH/PROT LED (Red) per channel
Voltage gain
34 dB
Power factor correction
0,93
HF protection
Yes
Output mode settings


Back panel Dipswitch by pairs of channels
BRIDGE/2Ω/4Ω/8Ω/70V/100V
Back panel Dipswitch by pairs of channels
DUAL/BRIDGE
LoZ/70V/100V
Standby / Mute
STANDBY (Orange) per channel
Limit
TH/PROT LED (Red)
On
ON LED (Green) per unit
Energy saving
Auto standby function selectable
Current Draw
0,20 Arms
0,35 Arms
0,56 Arms
0,70 Arms
1,20 Arms
1,86 Arms
2,09 Arms
3,45 Arms
Thermal Loss






1,1 kcal/h
4,4 BTU/h
1,1 kcal/h
4,4 BTU/h
1,8 kcal/h
7,3 BTU/h

53,7 kcal/h
212,9 BTU/h
53,7 kcal/h
212,9 BTU/h
54,01 kcal/h
214,3 BTU/h

65,5 kcal/h
260,1 BTU/h

66,01 kcal/h
261,8 BTU/h
66,01 kcal/h
261,8 BTU/h
68,8 kcal/h
273 BTU/h
69,3 kcal/h
275,1 BTU/h
Auto standby function
Front panel button
RUN/SLEEP mode


Auto standby function
Front panel button
Link
LINK (White)
SYSTEM
Number of input channels 2
PHYSICAL
Installation options Rack 19" installation & desktop
Operating temperature -20⁰ to 40⁰ C -4⁰ to 104⁰ F
Operating humidity 10-90% RH, non-condensing
Storage temperature -40⁰ to 70⁰ C -40⁰ to 158⁰ F
Storage humidity 10-95% RH, non-condensing
Included accessories EU power cord, UK,US and CN power cord adapters, IEC Power Cord, x2 Euroblock 3-pin connectors (blue for Inputs), x1 Euroblock 4-pin connectors (green for Outputs), Rear Rack Kit, 3M rubber foot (4pcs)
1x EU & IEC power cords, UK,US & CN plug adapters, 4x Desktop feet, 1x Rack 19" installation hardware, 3x Euroblock connectors (2x 3-pin blue for inputs and 1x 4-pin green for outputs), 1x Euroblock jumper.
Dimensions 484 x 44 x 296.6 mm / 19 x 1.73 x 11.67 in. (WxHxD)
Weight 4,3 kg / 9,48 lb
Shipping dimensions 590 x 80 x 474 mm / 23.23 x 3.15 x 18.66 in. (WxHxD)
Shipping weight 6.9 kg / 15.2 lb
POWERED
Power 380 W 430 VA
226,2 W 278 VA
380,6 W 393 VA
62,8 W 81 VA
1,3 W 24 VA


62,4 W 129 VA
2,2 W 82 VA
226,7 W 239 VA
ELECTRICAL
AC mains requirement 100-240 V @ 50-60Hz (±10%)
AC mains connector IEC C14 inlet
Power supply Universal, regulated SMPS with PFC
Power factor correction 0,93
ANALOGUE AUDIO OUTPUT PORTS
Crosstalk 70dB
70dB (@1kHz)
CHANNELS
Number of output channels 2
Output configuration 2Ω, 4Ω, 8Ω, 100V, 70V and 4/8Ω in Bridge Mode
2 Hi-Z or Lo-Z connections
Input configuration Input link to CH1 selector per input
SIGNAL
SNR 95 dBA
Voltage gain 34 dB
TECHNOLOGIES
Cooling 2 fans
Maximum fan noise 57 dBA
Efficiency 58%
Amplification technology Class D
Energy saving Auto standby function selectable
PROTECTIONS
AC protection Yes
DC protection Yes
Short-circuit protection Yes
Clip limiter Yes
Thermal protection Yes
HF protection Yes
SETTINGS
Output settings Lo-Z/Hi-Z/70V/100V/Bridge Mode output selection by pair of channels
Auto standby function Front panel button
MONITORING
Signal Present SIGNAL LED (Green) per channel
Cliping CLIP LED (Red) per channel
Standby AUTO STANDBY ON/OFF LED (Green) per unit
Thermal TH/PROT LED (Red) per channel
Protect TH/PROT LED (Red) per channel
Standby / Mute STANDBY (Orange) per channel
Limit TH/PROT LED (Red)
On ON LED (Green) per unit
Link LINK (White)
ANALOGUE AUDIO INPUTS
Input sensitivity 0 dBV 2,21 dBu 1 Vrms
MONITORING AND CONTROL
Auto standby time 90 seconds
Auto standby threshold -40dB
LINE INPUTS
CMRR 55 Typ
55 Typ (from 20Hz to 20kHz)
Input connection type 3-pin Euroblock, balanced, pitch 3,5 mm
Input impedance 20kΩ balanced
Max input level +20,8dBV 23 dBu
LINE OUTPUTS
Frequency response 15Hz - 30kHz
15Hz - 30kHz (-3dB, 1W any load)
Output connection type 2-pin Euroblock. Pitch: 5,08 mm
4-pin Euroblock. Pitch: 5,08 mm
THD + Noise 0,1%
0,1% ( @1kHz, from 0,1W to Full Power)
LOCAL CONTROL
Attenuators Front panel knobs per channel
Front panel knobs per channel VOL (default)/BYPASS option
Power ON/OFF Front panel switch
Output mode settings Back panel Dipswitch by pairs of channels DUAL/BRIDGE LoZ/70V/100V
Back panel Dipswitch by pairs of channels BRIDGE/2Ω/4Ω/8Ω/70V/100V
RUN/SLEEP mode Auto standby function Front panel button
OUTPUT POWER - All channels driven @ 1%THD
Max output power @ 100V 300 w
300W
Max output power @ 70V 300 w
300W
POWER & HEAT @120VAC - STANDBY/SLEEP MODE
Current Draw 1,86 Arms
1,20 Arms
0,56 Arms
0,35 Arms
3,45 Arms
2,09 Arms
0,70 Arms
0,20 Arms
Thermal Loss 68,8 kcal/h 273 BTU/h
65,5 kcal/h 260,1 BTU/h
53,7 kcal/h 212,9 BTU/h
1,8 kcal/h 7,3 BTU/h
66,01 kcal/h 261,8 BTU/h
1,1 kcal/h 4,4 BTU/h


69,3 kcal/h 275,1 BTU/h
54,01 kcal/h 214,3 BTU/h
53,7 kcal/h 212,9 BTU/h
66,01 kcal/h 261,8 BTU/h
1,1 kcal/h 4,4 BTU/h

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